3904589 has 8 divisors (see below), whose sum is σ = 4350360. Its totient is φ = 3479616.

The previous prime is 3904547. The next prime is 3904591. The reversal of 3904589 is 9854093.

It can be written as a sum of positive squares in 4 ways, for example, as 168100 + 3736489 = 410^2 + 1933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3904589 - 2⁸ = 3904333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (543795).

Almost surely, 2^3904589 is an apocalyptic number.

It is an amenable number.

3904589 is a deficient number, since it is larger than the sum of its proper divisors (445771).

3904589 is a wasteful number, since it uses less digits than its factorization.

3904589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3904589 is about 1976.0032894709. The cubic root of 3904589 is about 157.4678056309.

The spelling of 3904589 in words is "three million, nine hundred four thousand, five hundred eighty-nine".